746524021406646 has 16 divisors (see below), whose sum is σ = 1706340620358144. Its totient is φ = 213292577544744.

The previous prime is 746524021406641. The next prime is 746524021406711. The reversal of 746524021406646 is 646604120425647.

It is a happy number.

It is a super-2 number, since 2×746524021406646² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746524021406641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8887190730990 + ... + 8887190731073.

It is an arithmetic number, because the mean of its divisors is an integer number (106646288772384).

Almost surely, 2^{746524021406646} is an apocalyptic number.

746524021406646 is an abundant number, since it is smaller than the sum of its proper divisors (959816598951498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

746524021406646 is a wasteful number, since it uses less digits than its factorization.

746524021406646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17774381462075.

The product of its (nonzero) digits is 46448640, while the sum is 57.

The spelling of 746524021406646 in words is "seven hundred forty-six trillion, five hundred twenty-four billion, twenty-one million, four hundred six thousand, six hundred forty-six".